Trivia

Did the voice of Mumm-Ra in Cosmocats (1985) - one of the most fearsome cartoon villains of the 1980s.

Hammond provided the voice for another well known 1980s villain, in addition to Cosmocats (1985)' Mumm-Ra; he provided the voice of 'Megatron', in a series of read-a-long Transformers book and record sets from the mid-1980s.

Between 1974 and 1982, he appeared in 189 episodes of "The CBS Radio Mystery Theater."